[Q] Does not start after reboot sequence - Xperia Z2 Tablet Q&A, Help & Troubleshooting

Hey guys,
I was about to repair my Z2 tablet because of a broken screen. I did the Power+Volup trickt to reboot the tablet, it went off but I could not start it up again. Battery was full at that time. As I removed the screen anyways, I could do some tests:
1) If charger inserted, nothing happens, no red light nothing. Also I measured the wattage of my charger and 0 Watts is shown, so tablet is not consuming any power
2) When removing battery from systemboard and connecting charger it consumes about 2 watts and red light blinks one time - however, still not able to turn it on.
Any idea what this could be? I have the feeling that the system board thinks the battery is dead, but it really is not. I also read the other threats about waiting for battery to be drained but I'm wondering whether there is another option ..
Thanks
sLy

**sLy** said:
Hey guys,
I was about to repair my Z2 tablet because of a broken screen. I did the Power+Volup trickt to reboot the tablet, it went off but I could not start it up again. Battery was full at that time. As I removed the screen anyways, I could do some tests:
1) If charger inserted, nothing happens, no red light nothing. Also I measured the wattage of my charger and 0 Watts is shown, so tablet is not consuming any power
2) When removing battery from systemboard and connecting charger it consumes about 2 watts and red light blinks one time - however, still not able to turn it on.
Any idea what this could be? I have the feeling that the system board thinks the battery is dead, but it really is not. I also read the other threats about waiting for battery to be drained but I'm wondering whether there is another option ..
Thanks
sLy
Click to expand...
Click to collapse
have you tried holding down the reset button for about two minutes?

Thanks for your reply! I tried, but unfortunately nothing happens :\ I cannot image that I have broken the device by removing the screen. It was fully ok until I executed Power+Vol Up reset mechanism.

Guys,
just wanted to let you know that after 2d the device got back to life. Not startable at first, but when connecting charger it was charging again and after some time startable.. Still, cannot image that the battery got down so fast from nearly 100% to 0%
Anyways, thanks for your help.

Related

Bricked G4 not (!) again: Charge LED does not light on power-connection

Hi there,
I have a special question to my G4 witch i do not get in operation anymore: The Problem is, that the device does not turn on, independent any keys. Either the ON-Button, Soft-Reset, Hard-Reset i do not get any of the "normal" screens. The display does not light.
Additional, the red power-charge-LED does not light when i plug in the USB-poer-supply. The same, if i disassemble the battery and plug the G4 to the power-supply...
The device has not been used for a couple of months. The last action a Upgrade to WM6.5 that worked definitively fine for a while.
Has anybody an idea? Or happend before?
Thanks in advance
Ernie
i think it`s easy
hey .. i doubt you have a problem with your g4 phone, i think you have a problem with the battery. since you left the batter inside the phone for alot of months and you didn`t use it, i think the battery is super dead, so dead, that the g4 cant power off and go to charge mode. 1 : you could try letting it charge more, like .. 1 hr plugged in , orrr , you could find an universal charger, which charges the battery by touching it`s + and - with it`s pins and putting electricity in it. (sorry for the bad explanation but i`m from romania). I think one of them two should work, if you know some other friend who has a working g4 just try with his battery. Good luck ! ^_^
Thanks for your reply.
But it happens without (!) the battery: If disassemble the battery and connect afterwards the power cable, the red LED does not flash, and no key has a function. As Soft-Reset "switch" and Hard-Reset (2-button on the left plus Soft-Reset-Switch)
First i mentioned the same as you thought...
Has anybody an idea what can be done here?
Thanks in advance.
Ernie
I'm encountering this same problem. I let the device charge over night with no luck. It will not power on at all. The battery was working fine last week. its completely dead
My Universal turn on the red LED for a seconds and after that do not charge and do not turn on. Have you find any solutions?
Thanks
exactly the same problem here on touch 3g
i got my touch 3g in Jan 2009 in Shanghai,China. Now i'm in singapore.... it's bricked, i didn't do anything wrong, it's not dropped on the ground or into the water, yesterday it was fine, but this morning i just found that it's power off. plugging in the power cable , and i won't see the orange power led. it's completely dead, soft reset and hard reset can not be initiated, because it refuses to power on.
i'm going to htc care center at harbourFront next weekend ...
JeromeMorrow said:
My Universal turn on the red LED for a seconds and after that do not charge and do not turn on. Have you find any solutions?
Thanks
Click to expand...
Click to collapse
oglop said:
i got my touch 3g in Jan 2009 in Shanghai,China. Now i'm in singapore.... it's bricked, i didn't do anything wrong, it's not dropped on the ground or into the water, yesterday it was fine, but this morning i just found that it's power off. plugging in the power cable , and i won't see the orange power led. it's completely dead, soft reset and hard reset can not be initiated, because it refuses to power on.
i'm going to htc care center at harbourFront next weekend ...
Click to expand...
Click to collapse
You’re in the wrong section this is the Wizard forum.
I use a universal charger. Its one which takes the battery not one which plugs into the phone ...
whenever I let my phone run flat I leave the battery in the charger for a couple of hours then put it back in the phone and connect the phone charger. Once there are enough electrons whizzing around in the battery there's enough power to drive the IC that manages the charging in the phone ...
if the battery is too flat it won't even open the gates for you ...

[Q] Power light going *blink* *blink* *LongPause* (Archos 101)

I'm at a bit of a loss here..
Instead of powering on, the battery light goes *blink* *blink* *LongPause* ..
I have a (3 day old) Archos 101 and updated to the most recent software when it I first powered up the device. I probably drained my battery yesterday when I put it in the night stand drawer while Aldiko was trying to import a fresh ePub file..
When I turned it on this morning, it blinked once and stopped. When I plugged in the charger (figuring the battery was drained) the "blink blink longpause" started. Long pressing the power button stops the blinking. If the power is connected, the power light burns, so I figure its charging. If its not on power, the power light doesnt burn. I tried the "Hold + while powering up" to boot into recovery but that doesnt change anything.
The Archos FAQ said something about charging the battery, but its been charging for about 9 hours now and the device still wont turn on.. (Green light still burns continuously while charging, not when disconnected) My XDA forums search didnt turn up any results..
Anyone got a clue what this means, what I can do or whatever? Tnx
Maybe the screen froze. Try resetting it by holding down the power button for ten seconds or so. If you're charging it at the same time, it should boot right back up after the reset is complete.
Sent from my A32
Yes, I tried that :/ That's what I meant by long pressing the power button. It changes the blinking pattern to just the burning power led..
Thanks for the tip though!
Sent from my HTC Magic using XDA App
Give it another shot. Disconnect the plug. Hold down the power button for a little over 10 seconds. I would do like 15 in my head. Wait a few seconds after that and press the power button quickly once. If you get the steady green light just wait. Dont keep pressing it. You should eventually see the Archos splashscreen. I have had this happen on several occassions when the system has been idle for a while with the screen off. Hope it works.
Ok; I did that.
Except that when I push the power button that last time to have it boot up; the power light just flashes once. I didnt touch it to be sure and it doesnt start.
When I plugged in the power supply after that, the *blink blink longpause* resumed.
When I hold down the power btn now, it reverts to continuous burning green power led.
Its been charging for more than 24 hours now.
This sounds like what happened to mine. it happened after about 3 days, too. I finally got my replacement the Tuesday before Christmas.
If you get it powered up, get your stuff off & clean up your personal info (something I wasn't able to do.
From my post on AchosFans Forum:
For several days my Archos wouldn't take a charge. I didn't think anything about it the first day...stuff happens. After using it the next time, not really thinking there was a problem I plugged it in (and of course it turned itself on again). So this morning it only had 8%. I messed around a few minutes before work resetting it & such - checked setting>about>battery stats and it said "charging" and 0% battery. When I came home this evening it still said "charging" & 0% battery. It then shut down (with a not-normal screen flicker) the first time I unplugged it (hoping to cycle it or get lucky) and it is now a brick. When I plug it in now the charging light did a fast-double-blink and it it remained dead.
I called Archos & they told me to send it back. She didn't ask for much info before telling me to send it, which I took to mean that it is a known issue.
Same happened to me
The same has happened to me after the archos 101 drained its battery fully. I think the firmware has a flaw where it lets the archos drain its battery too far. In that state, hooking it up to the charger wont make it start charging all the time.
I had the blink-blink-blink problem also, even after it had been on the charger for hours. Finally it started working (and charging! )again after lots of 15-second Powerbutton presses, some in combination with Volume Up or Volume Down, and some with and some without the charger connected. Suddenly it turned on (showing 0% charge in the Settings, Information panel indicating it had fully drained and hadn't been charging in the previous hours) . I advice you to keep trying pressing the Power button 15 seconds with the charger connected, and experiment with pressing it in combination with the volume button, followed by a short Power press to boor the Archos.
In the mean time (till a new firmware comes), i make a habit of not fully draining the Archos (i will install Tasker to let it shutdown at 10%) , and checking if the green led comes on after plugging in the charger. Only when the green led is on, it's really charging. And it should start blinking after a few hours to indicate its full.
My wife has a chinese android iPad clone (a Flytouch II) and guess what? It's also picky at charging and turning on.
The Gravity reply had me scared (tnx though) but I'm glad to report that pwhooftman's post helped!
I plugged it in, put a movie on and started trying to reset/start it. It happened reasonably quickly after that.. I pressed the power button while it was off power, the power led flashed once as before. I plugged in the power. The green light lighted up. I pushed the power and + for 15 seconds, and pressed the power button once shortly. Unlike the other times, the blinking pattern didnt start and the green light kept burning. Hopeful, I put it down and waited - as the FAQ said it would start when it d charged more. Finally after a while, I pressed the power button and it booted. Not exactly exact science, but Im just happy that it works again :/
I guess the "blink blink longpause" means something like "I know I've got power but I cant seem to load my battery" - Archos should have this info in their manuals.
Thanks guys
G3n said:
The Gravity reply had me scared (tnx though) but I'm glad to report that pwhooftman's post helped!
Thanks guys
Click to expand...
Click to collapse
Nice to know I can scare people...and it isn't Halloween!
I tried everything I could think of to get it to take a charge, with no luck. The problem I had with mine was the times it wouldn't take a charge BEFORE I had drained it - that is why it got drained in the first place.
I hope it was only mine!
He s at it again. Drained to 3% and now it wont charge anymore. *sigh*
except he wont even do the blinking anymore now.
Seems to be a fairly common issue with these tablets :/
Same thing was happening to me too. Dunno if this will work for people, but here is how I fixed mine.
Hold your finger on the power button for 10 seconds while the blinky light is on. This should stop the light completely.
Then plug the charger in. This gave me a continuous light rather than a blinky light. Leave it like that for a couple of hours and then try powering it on again.
Hope this works for others.
Had this happen to me once so far. Seems to have to do with it going into a sleep state or something. If I leave it for long and the screen turns off. Sometimes it won't come back up without first holding down the power to shut it down (even though I can't see anything on the screen) and then waiting to boot back up. I had to plug it in, get the steady light and then power on and it worked.
OK, I know this sounds weird...
But what's the temperature of the A101 like?
I had an identical problem a short while ago, and a forum post suggested that the tablet could be too cold. I thought it was a total shot in the dark, but I wrapped the Archos in a quilt for a few minutes, and amazingly enough, it popped back into life with the charger plugged in, and has been pretty fine since then.
To be fair, it could be one of three things: (i) temperature is the issue, (ii) coincidence, (iii) a bad connection in the pins/socket of the adapter input on the Archos 101 which just needs 'jiggling.'
I have also noticed that if I charge the Archos while it is in standby, I never get more than 92-94% battery. If I shut it down, plug in, then shut it down again when it restarts on power supply insertion, I can usually get 98% battery, at the least, sometimes 100% battery.
I agree, we shouldn't have 'quirky' devices, or have to wait for firmware to fix them, but other device makers have had similar problems in the past with battery reporting, until appropriate firmware fixes.
it happened to me last night frustrated the heck out of me couldn't get it to turn on no matter what i did, so i took it back to pc world and the guy said
"what would you like to do, out of curiosity do you like it?" I replied no and he said "then ill refund you"
i then paid the extra on a galaxy tab and not looking back the archos was a complete pile of sh!te! I almost cried when i turned it on and spent the next two months convincing myself i actually liked it.
its woefully made, cheap and tacky, screen is pathetic and the memory appalling.
i know its cheaper than tab and iphone but for 270 it should still be fit for purpose and this is not it's the worst gadget ive ever owned by a long long shot, i didn't even show it off at work because i was so embarrassed at how bad it was.
G3n said:
He s at it again. Drained to 3% and now it wont charge anymore. *sigh*
except he wont even do the blinking anymore now.
Click to expand...
Click to collapse
So, how did the story end?!? Did it survive?
Ok...
I kid you not, i've tried warming the archos up with a hot water bottle for several seconds and that did the trick appearently...
Had the same problem.
TheTen said:
OK, I know this sounds weird...
But what's the temperature of the A101 like?
I had an identical problem a short while ago, and a forum post suggested that the tablet could be too cold. I thought it was a total shot in the dark, but I wrapped the Archos in a quilt for a few minutes, and amazingly enough, it popped back into life with the charger plugged in, and has been pretty fine since then.
To be fair, it could be one of three things: (i) temperature is the issue, (ii) coincidence, (iii) a bad connection in the pins/socket of the adapter input on the Archos 101 which just needs 'jiggling.'
I have also noticed that if I charge the Archos while it is in standby, I never get more than 92-94% battery. If I shut it down, plug in, then shut it down again when it restarts on power supply insertion, I can usually get 98% battery, at the least, sometimes 100% battery.
I agree, we shouldn't have 'quirky' devices, or have to wait for firmware to fix them, but other device makers have had similar problems in the past with battery reporting, until appropriate firmware fixes.
Click to expand...
Click to collapse
G3n said:
I'm at a bit of a loss here..
Instead of powering on, the battery light goes *blink* *blink* *LongPause* ..
I have a (3 day old) Archos 101 and updated to the most recent software when it I first powered up the device. I probably drained my battery yesterday when I put it in the night stand drawer while Aldiko was trying to import a fresh ePub file..
When I turned it on this morning, it blinked once and stopped. When I plugged in the charger (figuring the battery was drained) the "blink blink longpause" started. Long pressing the power button stops the blinking. If the power is connected, the power light burns, so I figure its charging. If its not on power, the power light doesnt burn. I tried the "Hold + while powering up" to boot into recovery but that doesnt change anything.
The Archos FAQ said something about charging the battery, but its been charging for about 9 hours now and the device still wont turn on.. (Green light still burns continuously while charging, not when disconnected) My XDA forums search didnt turn up any results..
Anyone got a clue what this means, what I can do or whatever? Tnx
Click to expand...
Click to collapse
HERE is the FIX ! I am on my second A-70/250 - my wife has the 8gb version, and I thought the 250gb one was simply defective - evidently, this IS a known issue, but it can be fixed, and I sent back my other one without reason
Anyways, no more pity party for me, here is the fix - if you have the flashy-power light dealio going on, plug your Archos into the power adapter, plug the adapter into the wall, and plug in the USB CABLE to the Archos, and to your PC - the Archos WILL pwoer up, when it does, it asks if you wish to mount the USB to copy files, select, "YES" and let it sit and charge ! Now - the REASON it does this is VERY simple, and it kills me to admit that I was killing my tablet all by myself ! Disable the "never off" screen thingy - set it for 10 minutes - (settings - display - screen timeout). Go into your power settings as well - (settings - power management) and make sure there is a checkmark in the deep sleep area ! THAT IS IT ! You are fixed ! Dang... I REALLY wish I would have found all this out before I returned the other one - I had SO much stuff loaded on it ! GAH !! - SenKat !
I got the same problem yesterday, it kept blink blink and could not turn on. After 5 hour charging, I warmed it up by hair dryer and suddenly it's on. Crazy amazing! Hahahahahuahuahuahua.
Temperature is main problem. Try with your hair dryer!!! Heheheheheh
Its sounds unbelievable, but low temperatures are indeed a cause.
Sent from my GT-I9000 using XDA App
my a70 had this same problem, left it rest a whole night, then plugged it in to usb and power (usb 1st) and it booted up, hope this helped

[Q] strange problem with my tg01

hi
I've got a strange problem with my TG01. Yesterday the phone worked normally. Overnight the battery got empty and the phone turned off. Today I noticed this and connected the phone to the charger. Now the strange thing is, the red LED (indicates loading of the battery) is on, but after a few seconds it turns of for a few seconds and turns on again. I can notice no "rhythm" in it. What could that be? Btw. The phone isn''t starting up (I alreadey pushed the power button for atleast 10 seconds.
ROM: MiROM 12 GER (worked fine for a few days)
@ mod: If this is the wrong forum, please move this thread
tmmk3x said:
hi
I've got a strange problem with my TG01. Yesterday the phone worked normally. Overnight the battery got empty and the phone turned off. Today I noticed this and connected the phone to the charger. Now the strange thing is, the red LED (indicates loading of the battery) is on, but after a few seconds it turns of for a few seconds and turns on again. I can notice no "rhythm" in it. What could that be? Btw. The phone isn''t starting up (I alreadey pushed the power button for atleast 10 seconds.
ROM: MiROM 12 GER (worked fine for a few days)
@ mod: If this is the wrong forum, please move this thread
Click to expand...
Click to collapse
I had something similar when I discharged battery too much ( during certain experiments ). If You have opportunity to charge battery a little bit in other place , not tg01, do it, put battery again in tg01 and check charging again. This time charging ( red LED still on ) should be stable.
Regards
fxdjacentyfxd
any method for charging externally??
thanks for your reply. do you know a method for charging externally?? (I do nat have an other TG01). Or should it also load with the blinking red led??
tmmk3x said:
thanks for your reply. do you know a method for charging externally?? (I do nat have an other TG01). Or should it also load with the blinking red led??
Click to expand...
Click to collapse
In my case it fixed itself relatively quickly. Few times I was removing charger from power outlet, puting it again, watching if red led is stable and if not repeating procedure but... I am not sure 100% it was exactly this way .It does not have to be in Your case.
It is not difficult to charge such battery externally because it is rather simple battery. You have +, temp and - pads. You need simply utilize only + and - and ensure from any external charger max current about 0.5A and max voltage 4.2V ( absolutely max 4.25V ).
Regards
fxdjacentyfxd
thanks
ok i will try this.
i had the same problem when i used aragorn's rom. what i did was some spare cables isolating tape and conected it to 9v battery charger (no kidding). for the first time i was checking it every 30min or so but later i left it overnight and in the morning everything was fine. Battery was charged in around 40% and i put this on charge.
Try flashing back to the stock tom,hr, flash custom rom,hr, hopefully problems solved,i have had to do this and it usually solved my problems
Sent from my GT-P1000 using XDA App
fixed it
ok, my toshi works again.
Charged it externally with an adjustable dc power source. ( Hoping that nothing blows up was my main concern with my setup)
It looked rather scary, but worked. (battery up to 80% in half an hour (with 4.2V and 0.55 mA)
tmmk3x said:
ok, my toshi works again.
Charged it externally with an adjustable dc power source. ( Hoping that nothing blows up was my main concern with my setup)
It looked rather scary, but worked. (battery up to 80% in half an hour (with 4.2V and 0.55 mA)
Click to expand...
Click to collapse
Excelent work . Congratulations. As I supected detecting this behaviour, next error in tg01. This time in charging hardware.
Regards
fxdjacentyfxd

Phone doesn't turn on or charge with empty battery

My phone's battery just died while charging. No idea how it happened, but apparently it wasn't charging at all, even though it displayed a charging icon.
Now it's turned off and it won't charge. When I plug it in, it turns on, displays the screen with the big battery, as usual, but only for a few short seconds. Then it turns itself on, even though it has no power, and shuts itself down immediately after it turns on, meaning it never charges. Then it goes t the big battery screen again, then turns itself on etc. and this goes in a circle for all eternity.
What do I do? I have no battery charger and I don't have any friends with a SGS3
(I'm running UltimaROM 17.1, in case that's related, which it might be, since I jut flashed it yesterday morning.)
johnnyspritz said:
My phone's battery just died while charging. No idea how it happened, but apparently it wasn't charging at all, even though it displayed a charging icon.
Now it's turned off and it won't charge. When I plug it in, it turns on, displays the screen with the big battery, as usual, but only for a few short seconds. Then it turns itself on, even though it has no power, and shuts itself down immediately after it turns on, meaning it never charges. Then it goes t the big battery screen again, then turns itself on etc. and this goes in a circle for all eternity.
What do I do? I have no battery charger and I don't have any friends with a SGS3
(I'm running UltimaROM 17.1, in case that's related, which it might be, since I jut flashed it yesterday morning.)
Click to expand...
Click to collapse
You say you plug it and this happens? But what do you plug in when you wrote this: "I have no battery charger and.." ?
The battery could be dead or maybe it is also the dock connector! I don't know. FIrst buy a new battery. It's not a big deal
Or you try to search for someone who has an S3 and try it out
Good luck!
I meant I have a charger for my phone, like with a USB cable, but I don't own a charger that only charges batteries. Thanks for the quick reply, but I fixed it already. It wouldn't boot to recovery because the battery was completely empty, but with some fast finger-work I managed to plug it in and get it to boot to recovery before the battery screen. Since recovery doesn't use up battery as much, it started charging without shutting down and it's fine now
johnnyspritz said:
I meant I have a charger for my phone, like with a USB cable, but I don't own a charger that only charges batteries. Thanks for the quick reply, but I fixed it already. It wouldn't boot to recovery because the battery was completely empty, but with some fast finger-work I managed to plug it in and get it to boot to recovery before the battery screen. Since recovery doesn't use up battery as much, it started charging without shutting down and it's fine now
Click to expand...
Click to collapse
Thanks god you got it fixed. Good job!

Won't turn on

I recently picked up this galaxy s6 edge from a friend that upgraded to a new phone. It won't turn on, neither to android recovery, nor to download mode nor the android. I charged it via wireless charging overnight and i tried for around an hour with a usb cable. What do i do?
same issue i am facing, i tried original charger, wireless charger and fast chargers from many different brands. but all failed. The device only gets warm/hot while charging and nothing happens. neither download mode nor recovery mode works. I am kind pf stuck without any solution, my device was used very rarely and its like an brand new device. Doesn't know what to do, if you find any solution then please let me know too. thanks in advance
Same problem. If I press power button very long, blue light comes on. Then it's stuck and stays like this until battery is flat. Battery charging is not possible: device heats up (tried USB and Qi), but battery doesn't take any charge.
So I opened the S6 and checked the battery directly. I can charge it directly with a lab power supply and when I plug it in and press power button, the blue notification light comes on again until battery is empty again. I can also see that only ICs get hot, but not the battery when plugging in USB.
So, it's definitely some hardware fault. I suspect power IC that is not able to power up the screen. But I don't know. I will investigate further but it looks difficult. However, I have seen many YouTube videos with same symptoms, but problem was always different than mine :/
Hi guys,
This thread is 2 months old, any of you managed to fix the problem?
I am having very similar problem. My phone was on a shelf for about a year and a half. Before now it was working perfectly. Now I can't charge it via USB or power adapter. When trying to power it up or get into download or recovery mode, nothing happens. Computer does not see it. Tried different cables, USB ports, power adapters..nothing.
The only thing that is happening to the phone is the battery logo appears when trying to charge it, though the green bar does not go over battery, only the empty grey battery with lightning icon in the middle. Also the screen does not go dark after a few seconds as it should and the red/blue LED does not turn on.
Is this the signal from the phone, that the battery is to deeply dischareged and cannot be charged again? I am googling all over the web and can't find anybody talking about what phone does in case of to low voltage on battery.
PS back does not seem to be bloated, USB port was working perfectly last time used
Please try to help, you are my last stop before opening the phone and start probing the poop out of motherboard to see what gave.
EDIT: something interesting happened just about an hour after my post. The battery suddenly started showing % of charge and the green bar started running, computer recognized the phone.. as everything should be.
My FIX: leave the phone pluged in and charging for about 3days and it will start working again.
My semi professional explenation of fix and problem: the phone has a ''backup or reserve'' battery. It is actually main battery but the last I think I read somewhere it is 20% of capacity, is reserved for phone exclusively for the clock and all other electronics that need power when switched off. Now these 20% probably were discharged due to laying around for almost 2 years.
It took me 3 days of charging to fill up these ''20%'' I guess. Probably because Lithium batteries are charged VERY slow at very start and end. This is safty procedure for ALL Li batteries.
If any expert can confirm my conclusion please do so, to help other people.
To answer partialy to my question: The phone tells you battery is ''deep'' discharged when you only see the charge icon without the green bar.
In the mean time I was writing this edit I came up to 4% battery and turned it on!
BR Friend

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